Cheapest return flights from Athens to Ljubljana in September from 144€

AirHint found the following cheapest return flights from Athens (ATH) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep Aegean Airlines
26 Sep - 30 Sep Air Serbia
18 Sep - 22 Sep Air Serbia
05 Sep - 09 Sep Air Serbia
07 Sep - 11 Sep Air Serbia
12 Sep - 14 Sep Air Serbia
09 Sep - 12 Sep Air Serbia
25 Sep - 30 Sep Air Serbia
14 Sep - 16 Sep Air Serbia
19 Sep - 26 Sep Air Serbia
29 Sep - 02 Oct Air Serbia

Also check the deals for one-way flights from Athens to Ljubljana in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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